Kim Jong-un has returned for meeting with China’s leader With Xi Jinping….

Japanese news sources showed the armoured train arriving in China several days ago…

The meeting has taken place before meeting between American and South Korea leaders by the North Korean….

North Korea’s enigmatic young leader, Kim Jong-un, made an unannounced visit to Beijing, meeting with President Xi Jinping weeks before planned summit meetings with American and South Korean leaders, Chinese and North Korean state news media reported on Wednesday.

The visit amounted to Mr. Kim’s international debut: It was the 34-year-old leader’s first trip outside North Korea since he took power in 2011, and his first meeting with another head of state. The surprise discussions added another layer of complexity to the rush of global diplomacy around North Korea’s nuclear weapons program.

Mr. Kim’s trip unfolded in extraordinary secrecy and security; it was confirmed only after he left Beijing on the same armored train that stirred speculation when it arrived mysteriously in the Chinese capital on Monday. (Both Mr. Kim’s father and grandfather, the North’s former leaders, used similar trains for foreign trips.)

Mr. Kim made the trip to China at the invitation of Mr. Xi, North Korea’s state-run Korean Central Television reported soon after the announcement in China. Mr. Kim was accompanied by his wife, Ri Sol-ju, as well as by his senior advisers, it said.

Mr. Kim told the Chinese leader that he was open to dialogue with the United States, including a potential summit meeting with President Trump, and was committed to the denuclearization of the Korean Peninsula, according to an account published by China’s news agency Xinhua….